#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QColorDialog>
#include <QDebug>


MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
}

MainWindow::~MainWindow()
{
    delete ui;
}


void MainWindow::on_pushButton_clicked()
{
    QColor color=QColorDialog::getColor(QColor(0,255,0),this,"选择颜色");
    qDebug()<<color;
    //基于用户返回颜色设置背景色
//    QString style="background-color: rgb("+QString::number(color.red())+","
//            +QString::number(color.green())+","+QString::number(color.blue())
//            +")";
    char style[2024]={0};
    sprintf(style,"background-color: rgb(%d,%d,%d)",color.red(),color.green(),color.blue());
    this->setStyleSheet(style);
}
